Seasonal Variations in the Composition of Fulvic Acids in Tjeukemeer, The Netherlands, as studied by Curie-point Pyrolysis Mass Spectrometry Back to all publications Publication date 1 January 1981 Reference H. de Haan, G. Halma, T. de Boer and J.R. Haverkamp, Seasonal Variations in the Composition of Fulvic Acids in Tjeukemeer, The Netherlands, as studied by Curie-point Pyrolysis Mass Spectrometry, Hydrobiologica 78, 87-95 (1981)